MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f5ccaf537972b3fdedebf4dd772643238c9f370ae2f39237b2ed7bfb945be0f5. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


Formbook


Vendor detections: 14


Intelligence 14 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f5ccaf537972b3fdedebf4dd772643238c9f370ae2f39237b2ed7bfb945be0f5
SHA3-384 hash: e0ae3bf0c9b847373014de43ab8726d97f204a5ff4e0f8fd91d802c47b6ac866ec540e94570b0757c656b9d3f9037240
SHA1 hash: 6c136af4af4201286a257caf5a2fa9f2d3920cda
MD5 hash: 417787fd1e701e07833eef51b3303bc0
humanhash: magnesium-california-nevada-angel
File name:61901.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'072'640 bytes
First seen:2022-04-12 04:52:39 UTC
Last seen:2022-04-12 05:38:52 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:/dBqCebfeuXVgOnZzuCQUd5xih/i3KFdsPgHUcB:/dBqCafeEVVZzuC5o/TsPg0c
Threatray 11'407 similar samples on MalwareBazaar
TLSH T193350273AB52DE97CEE8867C0861BEC1A3F183235257D74EACCC92A9B7436D45B011C6
File icon (PE):PE icon
dhash icon 70ccb26969b2cc71 (35 x AgentTesla, 13 x Formbook, 2 x SnakeKeylogger)
Reporter GovCERT_CH
Tags:exe FormBook xloader

Intelligence

File Origin
# of uploads :
2
# of downloads :
308
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
61901.exe
Verdict:
Malicious activity
Analysis date:
2022-04-12 04:56:52 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/7d8c8314-8773-4baf-aff5-5dc1563b95c1

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/262843/
Detection(s):
SecuriteInfo.com.Artemis417787FD1E70.1810.26407.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/625505af482f2f41ca9d850c/reports/112ce354-da39-4c2b-8460-d03591d574cb/overview
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/29694151-5380-4fcb-94d1-c28ab5d2b79d
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/975048
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for domain / URL
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 607535 Sample: 61901.exe Startdate: 12/04/2022 Architecture: WINDOWS Score: 100 32 www.xiraji21.com 2->32 44 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->44 46 Multi AV Scanner detection for domain / URL 2->46 48 Found malware configuration 2->48 50 8 other signatures 2->50 11 61901.exe 3 2->11         started        signatures3 process4 file5 30 C:\Users\user\AppData\Local\...\61901.exe.log, ASCII 11->30 dropped 64 Tries to detect virtualization through RDTSC time measurements 11->64 66 Injects a PE file into a foreign processes 11->66 15 61901.exe 11->15         started        signatures6 process7 signatures8 68 Modifies the context of a thread in another process (thread injection) 15->68 70 Maps a DLL or memory area into another process 15->70 72 Sample uses process hollowing technique 15->72 74 Queues an APC in another process (thread injection) 15->74 18 explorer.exe 15->18 injected process9 dnsIp10 34 lamphuchai.xyz 52.175.26.84, 80 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 18->34 36 seacoasttractor.com 160.153.136.3, 49817, 80 GODADDY-AMSDE United States 18->36 38 7 other IPs or domains 18->38 52 System process connects to network (likely due to code injection or exploit) 18->52 54 Performs DNS queries to domains with low reputation 18->54 22 control.exe 12 18->22         started        signatures11 process12 dnsIp13 40 www.lamphuchai.xyz 22->40 42 lamphuchai.xyz 22->42 56 Performs DNS queries to domains with low reputation 22->56 58 Self deletion via cmd delete 22->58 60 Modifies the context of a thread in another process (thread injection) 22->60 62 2 other signatures 22->62 26 cmd.exe 1 22->26         started        signatures14 process15 process16 28 conhost.exe 26->28         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f5ccaf537972b3fdedebf4dd772643238c9f370ae2f39237b2ed7bfb945be0f5/
Threat name:
ByteCode-MSIL.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2022-04-12 04:50:47 UTC
File Type:
PE (.Net Exe)
Extracted files:
80
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6xgk6u3zokz733pl6toxojsdeogj6nyk4lzzen5s5v57xfc34d2q._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
232a16efaec47e6d4fc8f5318ed9d9d58198daef519f30a5d9147d38f293638c
Formbook
39586764971f496d274f3d453029954720962ed36672050b742aef8b4e68a78e
Formbook
417c951fb4d744d1446011b1e2e36e76d450801fa8072d72ea600d323d03a8c5
Formbook
5f8d69976e4d3c9b6508cd376dcab4971a605d8d1122952ad604f7b48d2ef1e1
Formbook
66ed20e609a1c10376f30415f4f2a03aa274fbdaaa12925dcc81ed74bfb7fdfa
Formbook
7a975e0983903a474303dfbab00a6ccd3a5f9f3339fb1d756aa36f5172361e7c
Formbook
98c9c20fcffa6fe99c0841a33f4a9283552b9393d958818b9b2b610d5467822e
Formbook
9cd0bbacb06bc4a961772ad5dac574736247fa7604116855118ecabb6926643b
Formbook
acafe0e95f56a3a9105873aa70599b60c7e05b99f68006c763b21d590cc03906
Formbook
e812adcd8f8470a1be64d92dafaebf717db1c45d58fe04a9160d88a468cf7e3c
Formbook
+ 11'397 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:inga loader rat suricata
Link:
https://tria.ge/reports/220412-fhywhafabr/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
40c79c1389c65d04c9cb312c8289809ce29b608ac012a0340d47f3a38e605008
MD5 hash:
8f0fb0965ae5a62713154a5108c02b70
SHA1 hash:
5407d0e0646e663d9b0dc43804618cab796ac671
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/965852be-cbf2-420d-8a84-fab3f355357b/
Parent samples :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 hash:
79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696
MD5 hash:
39f524c1ab0eb76dfd79b2852e5e8c39
SHA1 hash:
428018e1701006744e34480b0029982a76d8a57d
Link:
https://www.unpac.me/results/965852be-cbf2-420d-8a84-fab3f355357b/
SH256 hash:
2111bbff340874133d53d029e025f25e05bd60c0d12c5fef21a0d1dc17098655
MD5 hash:
48d5f39a6511f48408a98cd0969e8347
SHA1 hash:
1ea7bb9e7de1bcd7f9c48c9b324b74fbfe433344
Link:
https://www.unpac.me/results/965852be-cbf2-420d-8a84-fab3f355357b/
SH256 hash:
f5ccaf537972b3fdedebf4dd772643238c9f370ae2f39237b2ed7bfb945be0f5
MD5 hash:
417787fd1e701e07833eef51b3303bc0
SHA1 hash:
6c136af4af4201286a257caf5a2fa9f2d3920cda
Link:
https://www.unpac.me/results/965852be-cbf2-420d-8a84-fab3f355357b/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/f5ccaf537972/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/f5ccaf537972b3fdedebf4dd772643238c9f370ae2f39237b2ed7bfb945be0f5

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:pe_imphash
Create hunting rule
Rule name:quakbot_halo_generated
Create hunting rule
Author:Halogen Generated Rule, Corsin Camichel
Rule name:silentbuilder_halo_generated
Create hunting rule
Author:Halogen Generated Rule, Corsin Camichel
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

Formbook

Executable exe f5ccaf537972b3fdedebf4dd772643238c9f370ae2f39237b2ed7bfb945be0f5

(this sample)

  
Dropped by
xloader
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/262843/

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